hugetlbfs: add missing TLB flush to hugetlb_cow()
[linux-2.6.git] / include / asm-ia64 / hugetlb.h
1 #ifndef _ASM_IA64_HUGETLB_H
2 #define _ASM_IA64_HUGETLB_H
3
4 #include <asm/page.h>
5
6
7 void hugetlb_free_pgd_range(struct mmu_gather **tlb, unsigned long addr,
8                             unsigned long end, unsigned long floor,
9                             unsigned long ceiling);
10
11 int prepare_hugepage_range(unsigned long addr, unsigned long len);
12
13 static inline int is_hugepage_only_range(struct mm_struct *mm,
14                                          unsigned long addr,
15                                          unsigned long len)
16 {
17         return (REGION_NUMBER(addr) == RGN_HPAGE ||
18                 REGION_NUMBER((addr)+(len)-1) == RGN_HPAGE);
19 }
20
21 static inline void hugetlb_prefault_arch_hook(struct mm_struct *mm)
22 {
23 }
24
25 static inline void set_huge_pte_at(struct mm_struct *mm, unsigned long addr,
26                                    pte_t *ptep, pte_t pte)
27 {
28         set_pte_at(mm, addr, ptep, pte);
29 }
30
31 static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
32                                             unsigned long addr, pte_t *ptep)
33 {
34         return ptep_get_and_clear(mm, addr, ptep);
35 }
36
37 static inline void huge_ptep_clear_flush(struct vm_area_struct *vma,
38                                          unsigned long addr, pte_t *ptep)
39 {
40 }
41
42 #endif /* _ASM_IA64_HUGETLB_H */